Chris Lattner 18fdabadca Fix PR6497, a bug where we'd fold a load into an addc
node which has a flag.  That flag in turn was used by an
already-selected adde which turned into an ADC32ri8 which
used a selected load which was chained to the load we
folded.  This flag use caused us to form a cycle.  Fix
this by not ignoring chains in IsLegalToFold even in
cases where the isel thinks it can.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97791 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-05 06:19:13 +00:00
2010-01-22 18:14:14 +00:00
2010-03-04 23:44:48 +00:00
2010-02-23 20:53:37 +00:00
2010-02-23 15:11:17 +00:00
2010-03-04 23:24:19 +00:00
2010-01-22 02:04:33 +00:00
2010-02-23 19:15:24 +00:00
2010-01-09 18:40:31 +00:00

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the HTML documentation provided in docs/index.html for further
assistance with LLVM.

If you're writing a package for LLVM, see docs/Packaging.html for our
suggestions.
Description
LLVM backend for 6502
Readme 277 MiB
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